Improvement in rubber erasers



ltmi Staten' ggatwt (twine.

HACK DELORIMER CONVERSE, OF LONDON, OHIO, AND FRANK ATWILL BATES, OEBOSTON,v MASSACHUSETTS.

Letters Patent No. 104,831, dated .Tune 28, 1870.

IMPROVEMENT IN RUBBER BRASERS.

The Schedule referred to in these Letters Patent and making part of thesame VERSE, of London, in the county-of Madison and' State of Ohio, andFRANK ATWILL BATES, of Boston, in the county of Suffolk and State ofMassachusetts, have invented a new and Improved Rubber and Eraser; andWe do hereby declare that the following is a full, clear, aud exactdescription thereof, which will enable others skilled in the art to makeand use the saine, reference being had to the accompanying drawingforming part ot' this specification.

'Figure l represents a perspective view of our in veution, showing itapplied.

Figure 2 is a detail perspective view of the saine. Similar letters ofreference indicate corresponding parts.

This invention relates to a new manner of coustructing India-rubber penand pencil-mark erasers, to make the same more convenient for use thanthey were in the ordinary forms.

The invention consists in making the rubber iu form of a ring, so thatit may conveniently be slipped upon and held on the finger of the personusing it.

In the drawing- A represents the rubber, made in form of a fingerring,so that Ait can be held to a finger in the manner shown. 'I

When the rubber is to be used it can be readjiy applied to the paper,and is 'not apt to be mislaid during the act ot' drawing.

Another advantage of this form of rubber is,l that it is notA apt to be'soiled as readily as the ordinary rubber, which is held between thefingers.

Having thus described our invention- We claim as ne\v,-aud desire tosecure by Letters Patent,

The riug-shaped rubber eraser herein described.

MACK DELOR'IMER CONVERSE. FRANK A'IWILL BATES.' Witnesses GEO. W. MEBEE,ALEX. F. ROBERTS.

